Department of Orthopaedic Surgery

The Department of Orthopaedic Surgery offers services and programs through the following Divisions. Use these links to directly access all our Department sites.



  • Parnassus Heights
  • 400 Parnassus Avenue
    Level B1, Room A096
    San Francisco, CA 94143
    Phone: 415-476-1788
Chrysta Irolla CP
Chrysta Irolla CP


Chrysta Irolla is a certified prosthetist and orthotist working at both the Parnassus and Mission Bay Orthotics and Prosthetics Centers. Chrysta first became introduced to rehabilitation medicine while earning her Bioengineering degree from the University of Pennsylvania. Through the UPenn Global Biomedical Service Program, Chrysta helped provide transtibial prostheses and ankle foot orthoses for patients in southern China and fell in love with both volunteer work and the field of prosthetics and orthotics. Chrysta went on to obtain a Master of Science in Engineering Design & Innovation from Northwestern University and a Master of Science in Prosthetics and Orthotics from the Georgia Institute of Technology. She completed her prosthetics residency at the Rehabilitation Institute of Chicago and her orthotics residency at the University of California San Francisco before becoming a part of the orthotic and prosthetic team. Chrysta has experience with a diverse array of patients but particularly enjoys pediatric care. She has presented nationally at meetings for the American Academy of Orthotists and Prosthetists and the American Orthotic and Prosthetic Association on prosthetic rehabilitation for bilateral transfemoral amputees and balance in the amputee population.  Chrystas interests include; incorporating outcomes measures into daily practice, developing patient and practitioner education, and providing care in developing countries.  


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